#include #include // Pin donde se conecta el bus 1-Wire const int pinDatosDQ = 2; // Instancia a las clases OneWire y DallasTemperature OneWire oneWireObjeto(pinDatosDQ); DallasTemperature sensorDS18B20(&oneWireObjeto); // Dispositivo const int devID = 1; char devIDstr[5]; int inQuery; float getData() { sensorDS18B20.requestTemperatures(); return (sensorDS18B20.getTempCByIndex(0)); } void setup() { Serial.begin(9600); sensorDS18B20.begin(); } void loop() { if ( Serial.available() > 0) { inQuery = Serial.read(); if ( inQuery == devID) { Serial.write(itoa(devID, devIDstr, 10)); Serial.write(" "); Serial.write("T"); Serial.write(" "); char lecturaStr[6]; // Buffer big enough for 7-character float dtostrf(getData(), 2, 4, lecturaStr); // Leave room for too large numbers! Serial.write(lecturaStr); Serial.write(" "); Serial.write("C"); Serial.write(" "); Serial.write("99\n"); } } delay(1000); }